From: Lukas Hejtmanek <xhejtman@hell.sks3.muni.cz>
To: Nathan Scott <nathans@sgi.com>
Cc: Stefan Schmidt <zaphodb@zaphods.net>,
Andrew Morton <akpm@osdl.org>,
marcelo.tosatti@cyclades.com, piggin@cyberone.com.au,
linux-kernel@vger.kernel.org, linux-xfs@oss.sgi.com
Subject: Re: Kernel 2.6.9 Multiple Page Allocation Failures
Date: Tue, 7 Dec 2004 12:17:36 +0100 [thread overview]
Message-ID: <20041207111736.GA10872@mail.muni.cz> (raw)
In-Reply-To: <20041203061835.GF1228@frodo>
On Fri, Dec 03, 2004 at 05:18:35PM +1100, Nathan Scott wrote:
> OK, I took a quick look through - there's two places where we use
> GFP_ATOMIC at the moment. One is a log debug/tracing chunk of code,
> wont be coming into play here, I'll go back and rework that later.
> The second is in the metadata buffering code, and is in a spot where
> we can cope with a failure (don't need to dip into emergency pools
> at all) but looks like we're avoiding sleeping there.
>
> Does this patch improve things for your workload, Stefan?
This change leads to:
Filesystem "sda1": XFS internal error xfs_da_do_buf(1) at line 2176 of file fs/x
fs/xfs_da_btree.c. Caller 0xc0200641
[<c02003da>] xfs_da_do_buf+0x72a/0x8df
[<c0200641>] xfs_da_read_buf+0x57/0x5b
[<c023e16c>] kmem_zone_alloc+0x50/0x96
[<c01fe46c>] xfs_da_node_lookup_int+0x80/0x369
[<c0200641>] xfs_da_read_buf+0x57/0x5b
[<c02090e4>] xfs_dir2_leafn_lookup_int+0x381/0x551
[<c02090e4>] xfs_dir2_leafn_lookup_int+0x381/0x551
[<c01fe5f6>] xfs_da_node_lookup_int+0x20a/0x369
[<c020ae13>] xfs_dir2_node_lookup+0x3f/0xb9
[<c0202725>] xfs_dir2_lookup+0x13e/0x14e
[<c0168342>] update_atime+0xd0/0xd5
[<c0131f02>] do_generic_mapping_read+0x2bc/0x53f
[<c02333e2>] xfs_dir_lookup_int+0x4c/0x12b
[<c0238bd5>] xfs_lookup+0x50/0x88
[<c0244ff0>] linvfs_lookup+0x58/0x96
[<c015bd7e>] real_lookup+0xcd/0xf0
[<c015bff4>] do_lookup+0x96/0xa1
[<c015c692>] link_path_walk+0x693/0xd13
[<c015cfbe>] path_lookup+0x93/0x155
[<c015d674>] open_namei+0x85/0x60c
[<c014dcd1>] filp_open+0x3e/0x64
[<c014ea08>] vfs_read+0xc9/0x119
[<c014dfac>] get_unused_fd+0x7b/0xcf
[<c014e0f4>] sys_open+0x49/0x89
[<c0103fcf>] syscall_call+0x7/0xb
xfs_da_do_buf: bno 96
--
Lukáš Hejtmánek
next prev parent reply other threads:[~2004-12-07 11:18 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-03 22:24 Kernel 2.6.9 Multiple Page Allocation Failures (Part 2) Stefan Schmidt
2004-11-04 12:17 ` Marcelo Tosatti
2004-11-04 18:18 ` Stefan Schmidt
2004-11-09 16:41 ` Kernel 2.6.9 Multiple Page Allocation Failures Marcelo Tosatti
2004-11-09 22:35 ` Lukas Hejtmanek
2004-11-09 22:46 ` Andrew Morton
2004-11-09 22:44 ` Lukas Hejtmanek
2004-11-09 20:33 ` Marcelo Tosatti
2004-11-10 20:35 ` Lukas Hejtmanek
2004-11-10 21:09 ` Andrew Morton
2004-11-10 21:24 ` Lukas Hejtmanek
2004-11-10 21:47 ` Andrew Morton
2004-11-10 21:28 ` Lukas Hejtmanek
2004-11-10 18:11 ` Marcelo Tosatti
2004-11-11 1:04 ` Lukas Hejtmanek
2004-11-11 21:44 ` Lukas Hejtmanek
2004-11-12 12:09 ` Nick Piggin
2004-11-13 14:47 ` Stefan Schmidt
2004-11-16 9:33 ` Marcelo Tosatti
2004-11-16 17:05 ` Lukas Hejtmanek
2004-11-21 1:43 ` Stefan Schmidt
2004-11-21 2:42 ` Stefan Schmidt
2004-12-02 19:54 ` Lukas Hejtmanek
2004-12-02 20:25 ` Andrew Morton
2004-12-02 21:03 ` Lukas Hejtmanek
2004-12-02 22:31 ` Stefan Schmidt
2004-12-02 22:48 ` Lukas Hejtmanek
2004-12-02 22:56 ` Andrew Morton
2004-12-02 23:18 ` Lukas Hejtmanek
2004-12-03 0:18 ` Andrew Morton
2004-12-03 12:11 ` Lukas Hejtmanek
2004-12-03 12:17 ` Lukas Hejtmanek
2004-12-07 22:52 ` Nick Piggin
2004-12-07 22:59 ` Lukas Hejtmanek
2004-12-07 23:05 ` Nick Piggin
2004-12-08 11:18 ` Lukas Hejtmanek
2004-12-08 11:23 ` Nick Piggin
2004-12-08 11:46 ` Lukas Hejtmanek
2004-12-08 13:14 ` Lukas Hejtmanek
2004-12-09 8:52 ` Nick Piggin
2004-12-09 9:02 ` Lukas Hejtmanek
2004-12-09 10:29 ` Nick Piggin
2004-12-09 10:37 ` Lukas Hejtmanek
2004-12-03 6:18 ` Nathan Scott
2004-12-03 7:06 ` Andrew Morton
2004-12-07 11:17 ` Lukas Hejtmanek [this message]
2004-12-08 0:15 ` Nathan Scott
2004-12-08 0:36 ` Lukas Hejtmanek
2004-12-03 10:35 ` Christoph Hellwig
2004-12-03 10:58 ` P
2004-12-03 17:11 ` Andrew Morton
2004-11-09 23:52 ` Stefan Schmidt
2004-11-10 1:27 ` 2.6.10-rc1-mm4 -1 EAGAIN after allocation failure was: " Stefan Schmidt
2004-11-10 1:39 ` Andrew Morton
2004-11-10 2:03 ` Stefan Schmidt
2004-11-10 2:21 ` Andrew Morton
2004-11-10 4:24 ` Nick Piggin
2004-11-10 10:28 ` Stefan Schmidt
2004-11-10 12:06 ` Stefan Schmidt
2004-11-10 8:58 ` Marcelo Tosatti
2004-11-10 12:48 ` Stefan Schmidt
2004-11-10 10:56 ` Marcelo Tosatti
2004-11-11 1:23 ` Nick Piggin
2004-11-11 18:31 ` jhigdon
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